Part 1 of 2 in the CompTIA A+ (220-802) series. This introductory course covers all the essential information you need to get started with a career as a computer technician. In this course, you?ll learn to install operating systems, perform preventat
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Part 2 of 4 in the Windows XP (70-720) series. The objective of this course is to teach you how to install, configure, and administer Windows XP Pro. This course starts with the basics of installing an operating system, but also takes you through the deta
Indexes are the most crucial objects of the database. They are the first stop for any DBA and Developer when it is about performance tuning. There is good side as well evil side of the indexes. To master the art of performance tuning one has to understand